IRR BIA RTE 221 over Shonto Wash
GoodNavajo County, Arizona · At Shonto Chapter House · Structure no. 00000000000N330
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 73 ft
- 1 main span
- Daily traffic
- 725
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 221 over Shonto Wash is a prestressed concrete box beam or girders - multiple carrying IRR BIA RTE 221 over Shonto Wash in Navajo County, Arizona. It was built in 2002, so it is 23 years old, younger than the Arizona average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 725 vehicles a day, roughly 2% of them trucks, projected to reach 878 by 2043. The structure is 73 ft (22.1 m) long and 32 ft wide. If it were closed, the detour would be 28 mi (45 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 221 over Shonto Wash built?
It was built in 2002, making it 23 years old in 2025.
What condition is IRR BIA RTE 221 over Shonto Wash in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.
How much traffic does IRR BIA RTE 221 over Shonto Wash carry?
About 725 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is IRR BIA RTE 221 over Shonto Wash?
The structure is 73 ft (22.1 m) long with a longest span of 69 ft (21 m) and a deck 32 ft wide.
Who owns IRR BIA RTE 221 over Shonto Wash?
It is owned by the Bureau of Indian Affairs.